Iontophoretic drug delivery system



FIG. 1 is a top, front and side perspective view of an iontophoretic drug delivery system, showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a side elevational view thereof; the opposite side elevational view being substantially identical thereto;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for the iontophoretic drug delivery system, as shown. 